Screwless plug



my. a. ff J T |||I- jfl' Inventor kn Geryely A Home) Patented Dec. 10, 1935 UNITED STATES PATENT ()FFICE 3 Claims.

This invention relates to plugs for use on electric irons and the like, the general object of the invention being to provide a case for the internal parts of the plug which is composed of two sections slidably connected together and held in place by a nut member threaded on two semicircular threaded parts one of which is connected to each part of the case, so that the case can be readily separated without the use of a screw-driver or other tools.

Another object of the invention is to provide a turn switch in the case for controlling the flow of current therethrough.

This invention also consists in certain other features of construction and in the combination and arrangement of the several'parts, to be hereinafter fully described, illustrated in the accompanying drawing and specifically pointed out in the appended claims.

In describing the invention in detail, reference will be had to the accompanying drawing wherein like characters denote like or corresponding parts throughout the several views, and in which:-

Figure 1 is an elevation of the case.

Figure 2 is a view of the two parts thereof and the nut with the parts separated.

Figure 3 is an end view of the case.

In this drawing the letter A indicates the case which is formed of any suitable form of nonconductive material and the case includes the body part I and the cover part 2, the side edges of the body part having the guideways 3 therein for receiving the ribs or tongues 4 on the side edges of the cover part. At one end the cover part is thickened as shown at 5 and at this end a semi-circular externally threaded member 6 is fastened to the body and a similar member I to the cover so that when the cover is in place on the body these two members will form a sleeve for receiving a nut 8 and when this nut is threaded on the sleeve the two parts I and 2 will be held together and by removing the nut the cover can be slid off the body so as to expose the parts within the body.

The internal parts include a pair of gripping members 9 held to the raised portion ID in the body by the screws II and the strip I2 is connected to one of the gripping members and is fastened to a rib I3 in the body by a screw I4 which also holds one end of a conductor I5 to the strip. A strip I5 is fastened to the rib I3 by a screw I1 and also acts to hold a conductor I6 to the strip, the two conductors passing into the usual cable I8 which passes through the sleeve enclosed by the parts 6 and 'I. A sho'rt strip I9 is connected to the other gripping member by a screw 26 and the adjacent ends of the strips I5 and I9 terminate at a block-like part 2| in the body and to which the shank of a button 22 5 passes the other end of the shank having a handle 23 thereon. Thus by turning the shank the ends of the button 22 can be brought into contact with the strips I5 and I9 to close the circuit through the device to the iron or other electric appliance and by moving the button to the position shown in Figure 2 the circuit will be broken as the button will be out of contact with the strips I5 and I9. Stops 24 are carried by the block 2I for limiting rotary movement of the button as shown in Figure 2. The nut 8 will carry the usual coil wire for surrounding a part of the cable I8 for preventing the cable being bent too short at its juncture with the device.

As shown in Figure 1 the face of the body can be formed with the indicia 25 to indicate when the switch is in off or on position.

Thus it will be seen that I have provided a plug the parts of which are separable by quickly sliding the cover from the body after the nut 8 has been removed so that it is not necessary to remove any screws and the circuit is controlled by a rotary button, the shank of which extends outside of the device. It will also be seen that all the parts are carried by the body so that noth- 33y ing but the nut may be removed to permit removal of the cover from the body.

It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent. 35

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.

What is claimed is:

1. A plug for an electric appliance comprising a hollow body having guideways on its side edges, a cover for the body having its side edges slidingly engaging the guideways, means for removably attaching the cover to the body, a pair of gripping members in the body, conductor means leading from the gripping members to one end of the body and a switch means for controlling the flow of current through the gripping means.

2. A plug for an electric appliance comprising a casing plug device having guideways on its side edges, a cover having its side edges engaging the guideways, a pair of semi-circular externally through the sleeve formed by the two semi-circular members.

3. A plug for an electric appliance comprising a casing plug device having guideways on its side edges, a cover having its side edges engaging the guideways, a pair of semi-circular externally threaded members one connected to one end of the body and the other with one end of the cover, a nut threaded on the two members when the cover is in position to hold the cover in position, a pair of gripping members in the body and conductors leading from the gripping members through the sleeve formed by the two semi-circular members, one conductor being formed of sections with their adjacent ends spaced apart within the body and a rotary switch including a button for bridging the sections when the button is turned to one position and a shank on the button extending to the exterior of the body.

' JOHN GERGELY. 

